# Scrapy settings for ssq project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://docs.scrapy.org/en/latest/topics/settings.html
#     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

import configparser
import os

config = configparser.ConfigParser()
directory = os.path.dirname(__file__)
path = os.path.join(directory, 'settings.ini')
config.read(path)


BOT_NAME = 'ssq'

SPIDER_MODULES = ['ssq.spiders']
NEWSPIDER_MODULE = 'ssq.spiders'


# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'ssq (+http://www.yourdomain.com)'
# 启用重试  
RETRY_ENABLED = True  
RETRY_TIMES = 10  # 默认是 2  
RETRY_HTTP_CODES = [500, 502, 503, 504, 408, 417]  

# 随机 User-Agent  
USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3' 


# Obey robots.txt rules
ROBOTSTXT_OBEY = True

# Configure maximum concurrent requests performed by Scrapy (default: 16)
CONCURRENT_REQUESTS = 32

# 禁用 robots.txt 检查  
ROBOTSTXT_OBEY = False  

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
CONCURRENT_REQUESTS_PER_DOMAIN = 16
CONCURRENT_REQUESTS_PER_IP = 16

# 禁用 CookiesMiddleware（如果不需要 Cookies 支持）  
COOKIES_ENABLED = False  

# Disable cookies (enabled by default)
#COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False

# Override the default request headers:
# DEFAULT_REQUEST_HEADERS = {
#   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
#   'Accept-Language': 'en',
# }

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
# SPIDER_MIDDLEWARES = {
#    'ssq.middlewares.SsqSpiderMiddleware': 543,
# }

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
# DOWNLOADER_MIDDLEWARES = {
#    'ssq.middlewares.SsqDownloaderMiddleware': 543,
# }

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
# EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
# }

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
# MYSQL
MYSQL_DB_NAME = config.get('MYSQL', 'database')
MYSQL_HOST = config.get('MYSQL', 'host')
MYSQL_PORT = int(config.get('MYSQL', 'port'))
MYSQL_USER = config.get('MYSQL', 'user')
MYSQL_PASSWORD = config.get('MYSQL', 'password')
MYSQL_TABLE = config.get('MYSQL', 'table')
MYSQL_ALL_SSQ_TABLE = config.get('MYSQL', 'all_ssq')

ITEM_PIPELINES = {
    'ssq.pipelines.SsqPipeline': 300,
    'ssq.pipelines.MySQLPipeline': 401,
}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = 'httpcache'
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

# Set settings whose default value is deprecated to a future-proof value
REQUEST_FINGERPRINTER_IMPLEMENTATION = '2.7'
TWISTED_REACTOR = 'twisted.internet.asyncioreactor.AsyncioSelectorReactor'

# FEED
FEED_URI = 'export_data/%(name)s.data'
FEED_FORMAT = 'csv'
FEED_EXPORT_ENCODING = 'utf8'
FEED_EXPORT_FIELDS = ['date', 'ident', 'red_1', 'red_2',
                      'red_3', 'red_4', 'red_5', 'red_6',  'blue', 'times']
# FEED_EXPORTERS = {'excel':
# 'my_project.my_exporters.ExcelItemExporter'}
